#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: Kretprobe dynamic event with arguments

[ -f kprobe_events ] || exit_unsupported # this is configurable

# Add new kretprobe event
echo 'r:testprobe2 _do_fork $retval' > kprobe_events
grep testprobe2 kprobe_events | grep -q 'arg1=\$retval'
test -d events/kprobes/testprobe2

echo 1 > events/kprobes/testprobe2/enable
( echo "forked")

cat trace | grep testprobe2 | grep -q '<- _do_fork'

echo 0 > events/kprobes/testprobe2/enable
echo '-:testprobe2' >> kprobe_events
clear_trace
test -d events/kprobes/testprobe2 && exit_fail || exit_pass
